3 Reductive Amination of Ketones and Aldehydes H/Ni C6H5CHO NH3(excess) C6HS CH2NH Etoh R H,/Ni R 0 + NH3(excess) CH一NH2 R Etoh rt ①D H,/Ni Nh3(excess) Etoh NH ⑨DOrganic Chemistry Organic Chemistry Xiamen Xiamen University University Reductive Amination of Ketones and Aldehydes C 6 H 5CHO + NH 3 ( excess) H 2 / N i R' C R O + NH 3(e x c e s s ) H 2 / N i R' CH R NH 2 NH 2 + NH 3 ( excess) H 2 / N i O EtOH C 6 H 5CH 2NH 2 EtO H EtOH